local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
-- Sntup language servers.
local lspconfig = require('lspconfig')
lspconfig.pyright.setup {}
lspconfig.tsserver.setup {}
lspconfig.prismals.setup {}
lspconfig.cssls.setup {capabilities = capabilities}
lspconfig.golangci_lint_ls.setup {}
lspconfig.rust_analyzer.setup {
    settings = {
        ['rust-analyzer'] = {
            diagnostics = {enable = true, experimental = {enable = true}}
        }
    }
}
-- Global mappings.
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
vim.keymap.set('n', '<leader>lD', vim.diagnostic.open_float)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
vim.keymap.set('n', '<leader>ld', vim.diagnostic.setloclist)

-- Use LspAttach autocommand to only map the following keys
-- after the language server attaches to the current buffer
vim.api.nvim_create_autocmd('LspAttach', {
    group = vim.api.nvim_create_augroup('UserLspConfig', {}),
    callback = function(ev)
        -- Enable completion triggered by <c-x><c-o>
        vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'
        local opts = {buffer = ev.buf}
        vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
        vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
        vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
        vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
        vim.keymap
            .set('n', '<Leader>sa', vim.lsp.buf.add_workspace_folder, opts)
        vim.keymap.set('n', '<Leader>sr', vim.lsp.buf.remove_workspace_folder,
                       opts)
        vim.keymap.set('n', '<Leader>sl', function()
            print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
        end, opts)
        vim.keymap.set('n', '<Leader>D', vim.lsp.buf.type_definition, opts)
        -- vim.keymap.set('n', 'gr', require('telescope.builtin').lsp_references(),
        --                opts)
        vim.keymap.set('n', '<Leader>lr', vim.lsp.buf.rename, opts)
        vim.keymap.set({'n', 'v'}, '<Leader>la', vim.lsp.buf.code_action, opts)
        vim.keymap.set('n', '<Leader>lf',
                       function() vim.lsp.buf.format {async = true} end, opts)
    end
})
